Apricorn USB 3.0 Y-Cable Power Adapter for External Hard Drives - Fast Data Transfer & Backup Solution for PC, Mac, Laptop, Gaming & Office Use

USB3-Y is an 18 inch USB 3.0 Auxiliary power and Extension cable that is backwards compatible with USB 2.0 and 1.1. If an external USB Hard Drive or other device needs more power than a single USB port can supply, this cable allows you to combine voltage and current from 2 USB ports to create enough power to run your device without the need of an AC Adapter.USB3-Y has 2 type A USB 3.0 Male ends that plug into the computer and 1 USB A Female end to plug your external drive or device into. This is the perfect solution when a single USB 2.0 or 3.0 port does not provide enough power to run your external peripheral.